OpenTechnical

OT-2026-000066415

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000066415) never changes.

Identity and time

Publication numberOT-2026-000066415 · never reused
Internal UUID01a0ae8e-ce40-7b6b-8753-496f657b65f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066415
StatusPUBLIC

Content hashes

Canonical text9cad3dacb908b3502432b267bbd32236d56330dbd5f4e08fc45731cdd2783447
Markdownac895c7d7e92dc4076437c34f1758f46d3f01853967b211740adfcc218ac171d
PDF
Publication page9b8fdd203c690a41c0b56371dc47bb9dfc713a1391646a8b43443a9ca34a19a7
Manifest848936ca09bf071a9a4e1fbd4fbf03b1a98a80dc0508ddc17d4ce39b6a6e6293

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTpmB6G6hy3U+G/g2n2cEdEFAL2i6mJvD2u0bk0kJyu8TkaQ5LZn+oslq9DGEiNnwXye/t7QaubUB3xvQ/K/4DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:39.275852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066415
observed 9b8fdd203c690a41c0b56371dc47bb9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.259349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066415/manifest.json
observed 848936ca09bf071a9a4e1fbd4fbf03b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.242066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066415/publication.md
observed ac895c7d7e92dc4076437c34f1758f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.224348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066415/publication.txt
observed 9cad3dacb908b3502432b267bbd32236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.